Evidence map›Paper›PMID 28371907›Full record

ArticleNeuro-oncology2017

Is more better? The impact of extended adjuvant temozolomide in newly diagnosed glioblastoma: a secondary analysis of EORTC and NRG Oncology/RTOG.

Deborah T Blumenthal, Thierry Gorlia, Mark R Gilbert, Michelle M Kim, L Burt Nabors, Warren P Mason, Monika E Hegi, Peixin Zhang, Vassilis Golfinopoulos, James R Perry and 11 more

Registry-linked trialAbstract read
In one paragraph

Article in Neuro-oncology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05608395 (11C-methionine in Diagnostics and Management of Glioblastoma Multiforme With Rapid Early Progression Patients Prior to Adjuvant Oncological Therapy), which is not on this map. Cited by 77 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
77citing papers in PubMed, 3 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT05608395 phase2completednot on this mapstarted 2020, after this paper: background citation

11C-methionine in Diagnostics and Management of Glioblastoma Multiforme With Rapid Early Progression Patients Prior to Adjuvant Oncological Therapy (GlioMET)

TypeinterventionalSponsorMasaryk Memorial Cancer InstituteRan2020 to 2024Enrolled33ConditionsGlioblastoma MultiformeArms11C-Methionine PET/CT
3 · Its place in the literature

Who cites it

77 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Trial
  5. Trial
  6. Phase IIa Study of SurVaxM Plus Adjuvant Temozolomide for Newly Diagnosed Glioblastoma.Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2023
    Trial
  7. Trial
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  9. Are conventional and hypofractionated chemoradiotherapy comparable in glioblastoma patients?Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026
    Article
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  11. Review
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  16. Targeting drug resistance in glioblastoma (Review).International journal of oncology · 2024
    Review
  17. Review
  18. Article
  19. Article
  20. Review

17 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

21 authors.

Deborah T BlumenthalTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Thierry GorliaTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Mark R GilbertTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Michelle M KimTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
L Burt NaborsTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Warren P MasonTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Monika E HegiTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Peixin ZhangTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Vassilis GolfinopoulosTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
James R PerryTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Do Hyun NamTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Sara C ErridgeTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Benjamin W CornTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
René O MirimanoffTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Paul D BrownTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Brigitta G BaumertTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Minesh P MehtaTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Martin J van den BentTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
David A ReardonTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Michael WellerTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.
Roger StuppTel-Aviv Sourasky Medical Center, Tel-Aviv University; European Organization for Research and Treatment of Cancer, Brussels (EORTC); National Institutes of Health (M.R.M.); University of Alabama at Birmingham; Princess Margaret Cancer Centre, University of Toronto; Lausanne University Hospital; NRG Oncology Statistics and Data Management Center; Odette Cancer Centre and Sunnybrook Health Sciences Centre, University of Toronto; Samsung Medical Center, Sungkyunkwan University School of Medicine; Edinburgh Cancer Centre; Mayo Clinic; Robert-Janker Clinic at the University of Bonn Medical Centre, and MAASTRO clinic, GROW School for Oncology, Maastricht University Medical Centre; Miami Cancer Institute; Erasmus University Hospital; Dana-Farber Cancer Institute and Harvard Medical School; University of Zurich.

Funding

NRG Oncology Network Group Operations Center - GY9 BIQSFP Reports/BudgetsU10CA180868 · NCI · NRG ONCOLOGY FOUNDATION, INC. · PI NORMAN WOLMARK · 2014 to 2026
$206.8M
Statistics CoreU10CA180822 · NCI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI Mei-Yin C Polley · 2014 to 2026
$146.4M
Brain Tumor Clinical and Clinical Research Program (Clinical Support Services)ZIDBC011642 · NCI · DIVISION OF BASIC SCIENCES - NCI · PI OZER, BYRAM · 2015 to 2025
$23.4M
NCTN Lead Academic Participating Site at Dana-Farber/Partners Cancer CareU10CA180867 · NCI · DANA-FARBER CANCER INST · PI BURSTEIN, HAROLD JOHN, KIBEL, ADAM S · 2014 to 2018
$6.2M
NCI NIH HHS U10 CA180822NCI NIH HHS U10 CA180867NCI NIH HHS U10 CA180868
6 · The paper itself

Abstract

backgroundRadiation with concurrent and adjuvant (6 cycles) temozolomide (TMZ) is the established standard of postsurgical care for newly diagnosed glioblastoma (GBM). This regimen has been adopted with variations, including extending TMZ beyond 6 cycles. The optimal duration of maintenance therapy remains controversial.

methodsWe performed pooled analysis of individual patient data from 4 randomized trials for newly diagnosed GBM. All patients who were progression free 28 days after cycle 6 were included. The decision to continue TMZ was per local practice and standards, and at the discretion of the treating physician. Patients were grouped into those treated with 6 cycles and those who continued beyond 6 cycles. Progression-free and overall survival were compared, adjusted by age, performance status, resection extent, and MGMT methylation.

resultsA total of 2214 GBM patients were included in the 4 trials. Of these, 624 qualified for analysis 291 continued maintenance TMZ until progression or up to 12 cycles, while 333 discontinued TMZ after 6 cycles. Adjusted for prognostic factors, treatment with more than 6 cycles of TMZ was associated with a somewhat improved progression-free survival (hazard ratio [HR] 0.80 [0.65-0.98], P = .03), in particular for patients with methylated MGMT (n = 342, HR 0.65 [0.50-0.85], P < .01). However, overall survival was not affected by the number of TMZ cycles (HR = 0.92 [0.71-1.19], P = .52), including the MGMT methylated subgroup (HR = 0.89 [0.63-1.26], P = .51).

conclusionsContinuing TMZ beyond 6 cycles was not shown to increase overall survival for newly diagnosed GBM.

Indexed as

AdultAgedAged, 80 and overAntineoplastic Agents, AlkylatingBrain NeoplasmsCombined Modality TherapyDacarbazineDisease-Free SurvivalDisease ProgressionFemaleGlioblastomaHumansMaleMiddle AgedTemozolomideTumor Suppressor ProteinsAntineoplastic Agents, AlkylatingDacarbazineTemozolomideTumor Suppressor Proteinsadjuvantglioblastomamaintenancetemozolomidetreatment duration

Identifiers

PMID28371907
PMCPMC5570239

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.